Saul and Samuel stood as a united front. Together they represent both the physical strength and spiritual strength of the Lord.
The problem with confidence is it can be self-serving, meaning our lack of confidence is us focusing on ourselves when we should have full confidence in God. We should be focusing on God, not ourselves.
Samuel notices the look on Saul’s face and answering the unasked questions he states, “You wonder why I’m anointing you and honoring you with my deepest respect, is it not because you are chosen?” I’ll put it another way, “Do you still not understand that you have been chosen, you are the chosen one”.
Saul was literally the only man who went out looking for donkeys and returned home as a king.